| Campia Turzii to Octeville | 1,191.03 mi (1,916.77 km) |
| Campia Turzii to Oignies | 989.96 mi (1,593.19 km) |
| Campia Turzii to Oissel | 1,067.93 mi (1,718.67 km) |
| Campia Turzii to Olivet | 1,032.18 mi (1,661.13 km) |
| Campia Turzii to Ollioules | 912.03 mi (1,467.77 km) |
| Campia Turzii to Olonne-sur-Mer | 1,213.71 mi (1,953.27 km) |
| Campia Turzii to Oloron-Sainte-Marie | 1,216.04 mi (1,957.03 km) |
| Campia Turzii to Onet Village | 1,039.36 mi (1,672.69 km) |
| Campia Turzii to Onnaing | 962.83 mi (1,549.53 km) |
| Campia Turzii to Orange | 938.54 mi (1,510.44 km) |
| Campia Turzii to Orchies | 979.10 mi (1,575.71 km) |
| Campia Turzii to Orleans | 1,031.65 mi (1,660.28 km) |
| Campia Turzii to Orly | 1,008.17 mi (1,622.50 km) |
| Campia Turzii to Ormesson-sur-Marne | 1,001.58 mi (1,611.89 km) |
| Campia Turzii to Orsay | 1,017.51 mi (1,637.53 km) |
