| Citrus Heights to Nuth | 5,469.79 mi (8,802.78 km) |
| Citrus Heights to Oegstgeest | 5,363.61 mi (8,631.90 km) |
| Citrus Heights to Oirschot | 5,422.64 mi (8,726.89 km) |
| Citrus Heights to Oisterwijk | 5,415.47 mi (8,715.35 km) |
| Citrus Heights to Oldebroek | 5,388.36 mi (8,671.72 km) |
| Citrus Heights to Oldenzaal | 5,422.99 mi (8,727.46 km) |
| Citrus Heights to Ommen | 5,398.56 mi (8,688.14 km) |
| Citrus Heights to Oosterend | 5,363.25 mi (8,631.31 km) |
| Citrus Heights to Oosterhout | 5,402.84 mi (8,695.04 km) |
| Citrus Heights to Oosterwolde | 5,369.89 mi (8,642.00 km) |
| Citrus Heights to Oostzaan | 5,361.82 mi (8,629.02 km) |
| Citrus Heights to Opmeer | 5,349.55 mi (8,609.26 km) |
| Citrus Heights to Oss | 5,414.40 mi (8,713.63 km) |
| Citrus Heights to Oud-Beijerland | 5,381.06 mi (8,659.97 km) |
| Citrus Heights to Oudenbosch | 5,396.47 mi (8,684.78 km) |
