| Chelm to Octeville | 1,106.28 mi (1,780.39 km) |
| Chelm to Oignies | 892.79 mi (1,436.80 km) |
| Chelm to Oissel | 993.10 mi (1,598.24 km) |
| Chelm to Olivet | 990.35 mi (1,593.82 km) |
| Chelm to Ollioules | 991.86 mi (1,596.24 km) |
| Chelm to Olonne-sur-Mer | 1,184.92 mi (1,906.95 km) |
| Chelm to Oloron-Sainte-Marie | 1,249.63 mi (2,011.08 km) |
| Chelm to Onet Village | 1,071.96 mi (1,725.16 km) |
| Chelm to Onnaing | 867.74 mi (1,396.49 km) |
| Chelm to Orange | 990.44 mi (1,593.96 km) |
| Chelm to Orchies | 881.89 mi (1,419.27 km) |
| Chelm to Orleans | 989.03 mi (1,591.69 km) |
| Chelm to Orly | 948.63 mi (1,526.68 km) |
| Chelm to Ormesson-sur-Marne | 941.44 mi (1,515.10 km) |
| Chelm to Orsay | 958.51 mi (1,542.57 km) |
