| Beloit to Oerlinghausen | 4,274.06 mi (6,878.43 km) |
| Beloit to Oestrich-Winkel | 4,326.69 mi (6,963.14 km) |
| Beloit to Offenburg | 4,384.75 mi (7,056.57 km) |
| Beloit to Oftersheim | 4,372.99 mi (7,037.65 km) |
| Beloit to Ohrdruf | 4,392.12 mi (7,068.43 km) |
| Beloit to Ohringen | 4,413.44 mi (7,102.74 km) |
| Beloit to Olbernhau | 4,490.04 mi (7,226.02 km) |
| Beloit to Olching | 4,521.12 mi (7,276.03 km) |
| Beloit to Oldenburg | 4,213.13 mi (6,780.38 km) |
| Beloit to Oldenburg in Holstein | 4,259.31 mi (6,854.70 km) |
| Beloit to Olfen | 4,238.10 mi (6,820.56 km) |
| Beloit to Olpe | 4,281.09 mi (6,889.74 km) |
| Beloit to Olsberg | 4,291.48 mi (6,906.46 km) |
| Beloit to Oranienburg | 4,400.00 mi (7,081.11 km) |
| Beloit to Ortenberg | 4,351.03 mi (7,002.31 km) |
