Generally you are soft limited by how many tiles you can reach, here a some routes you can take for a given number of tiles.

87 Tiles

90 Tiles

91 Tiles

94 Tiles

96 Tiles

98 Tiles

100 Tiles

103 Tiles

105 Tiles

109 Tiles

110 Tiles

111 Tiles

112 Tiles

Efficiency

Generally shorter routes will get you the most prestige over time, by repeating the same shorter routes over and over.

Below is a table of relative efficiency of routes at 10T prestige

Route	Efficiency
87 (46B)	207.74M/s
90 (52B)	94.27M/s
91 (80B)	83.27M/s
94 (300B)	30.59M/s
96 (340B)	23.66M/s
98 (520B)	12.36M/s
100 (1.3T)	5.17M/s
105 (2.2T)	4.936M/s
103 (2.2T)	3.54M/s