| Loveland to Oerlinghausen | 4,920.96 mi (7,919.52 km) |
| Loveland to Oestrich-Winkel | 4,991.64 mi (8,033.26 km) |
| Loveland to Offenburg | 5,061.41 mi (8,145.56 km) |
| Loveland to Oftersheim | 5,040.39 mi (8,111.72 km) |
| Loveland to Ohrdruf | 5,039.72 mi (8,110.64 km) |
| Loveland to Ohringen | 5,078.44 mi (8,172.96 km) |
| Loveland to Olbernhau | 5,127.94 mi (8,252.62 km) |
| Loveland to Olching | 5,185.96 mi (8,346.00 km) |
| Loveland to Oldenburg | 4,852.15 mi (7,808.79 km) |
| Loveland to Oldenburg in Holstein | 4,878.13 mi (7,850.60 km) |
| Loveland to Olfen | 4,891.99 mi (7,872.89 km) |
| Loveland to Olpe | 4,938.80 mi (7,948.23 km) |
| Loveland to Olsberg | 4,944.02 mi (7,956.63 km) |
| Loveland to Oranienburg | 5,021.91 mi (8,081.98 km) |
| Loveland to Ortenberg | 5,009.08 mi (8,061.33 km) |
