| Indian Trail to Oerlinghausen | 4,332.27 mi (6,972.12 km) |
| Indian Trail to Oestrich-Winkel | 4,359.10 mi (7,015.30 km) |
| Indian Trail to Offenburg | 4,399.03 mi (7,079.55 km) |
| Indian Trail to Oftersheim | 4,400.54 mi (7,081.99 km) |
| Indian Trail to Ohrdruf | 4,445.55 mi (7,154.42 km) |
| Indian Trail to Ohringen | 4,442.98 mi (7,150.28 km) |
| Indian Trail to Olbernhau | 4,552.84 mi (7,327.08 km) |
| Indian Trail to Olching | 4,547.50 mi (7,318.49 km) |
| Indian Trail to Oldenburg | 4,283.58 mi (6,893.75 km) |
| Indian Trail to Oldenburg in Holstein | 4,353.44 mi (7,006.19 km) |
| Indian Trail to Olfen | 4,288.31 mi (6,901.37 km) |
| Indian Trail to Olpe | 4,324.77 mi (6,960.04 km) |
| Indian Trail to Olsberg | 4,341.70 mi (6,987.29 km) |
| Indian Trail to Oranienburg | 4,485.67 mi (7,218.99 km) |
| Indian Trail to Ortenberg | 4,391.99 mi (7,068.23 km) |
