| Dakota Ridge to Oerlinghausen | 4,967.53 mi (7,994.47 km) |
| Dakota Ridge to Oestrich-Winkel | 5,037.24 mi (8,106.66 km) |
| Dakota Ridge to Offenburg | 5,106.35 mi (8,217.88 km) |
| Dakota Ridge to Oftersheim | 5,085.87 mi (8,184.92 km) |
| Dakota Ridge to Ohrdruf | 5,086.32 mi (8,185.64 km) |
| Dakota Ridge to Ohringen | 5,124.09 mi (8,246.42 km) |
| Dakota Ridge to Olbernhau | 5,175.09 mi (8,328.51 km) |
| Dakota Ridge to Olching | 5,231.68 mi (8,419.57 km) |
| Dakota Ridge to Oldenburg | 4,899.10 mi (7,884.34 km) |
| Dakota Ridge to Oldenburg in Holstein | 4,926.08 mi (7,927.76 km) |
| Dakota Ridge to Olfen | 4,938.16 mi (7,947.21 km) |
| Dakota Ridge to Olpe | 4,984.79 mi (8,022.25 km) |
| Dakota Ridge to Olsberg | 4,990.30 mi (8,031.12 km) |
| Dakota Ridge to Oranienburg | 5,069.79 mi (8,159.04 km) |
| Dakota Ridge to Ortenberg | 5,055.09 mi (8,135.38 km) |
