| Spring Lake to Oerlinghausen | 4,261.72 mi (6,858.57 km) |
| Spring Lake to Oestrich-Winkel | 4,286.21 mi (6,897.99 km) |
| Spring Lake to Offenburg | 4,324.53 mi (6,959.65 km) |
| Spring Lake to Oftersheim | 4,327.16 mi (6,963.89 km) |
| Spring Lake to Ohrdruf | 4,374.36 mi (7,039.85 km) |
| Spring Lake to Ohringen | 4,369.69 mi (7,032.34 km) |
| Spring Lake to Olbernhau | 4,482.29 mi (7,213.56 km) |
| Spring Lake to Olching | 4,473.77 mi (7,199.83 km) |
| Spring Lake to Oldenburg | 4,214.23 mi (6,782.15 km) |
| Spring Lake to Oldenburg in Holstein | 4,286.20 mi (6,897.98 km) |
| Spring Lake to Olfen | 4,217.11 mi (6,786.79 km) |
| Spring Lake to Olpe | 4,252.92 mi (6,844.42 km) |
| Spring Lake to Olsberg | 4,270.41 mi (6,872.55 km) |
| Spring Lake to Oranienburg | 4,417.37 mi (7,109.07 km) |
| Spring Lake to Ortenberg | 4,319.79 mi (6,952.02 km) |
