| Chelmno to Octeville | 897.37 mi (1,444.17 km) |
| Chelmno to Oignies | 685.55 mi (1,103.28 km) |
| Chelmno to Oissel | 795.14 mi (1,279.65 km) |
| Chelmno to Olivet | 814.98 mi (1,311.58 km) |
| Chelmno to Ollioules | 909.68 mi (1,463.98 km) |
| Chelmno to Olonne-sur-Mer | 1,009.03 mi (1,623.88 km) |
| Chelmno to Oloron-Sainte-Marie | 1,115.66 mi (1,795.47 km) |
| Chelmno to Onet Village | 946.57 mi (1,523.35 km) |
| Chelmno to Onnaing | 663.32 mi (1,067.51 km) |
| Chelmno to Orange | 885.80 mi (1,425.56 km) |
| Chelmno to Orchies | 675.25 mi (1,086.70 km) |
| Chelmno to Orleans | 813.17 mi (1,308.67 km) |
| Chelmno to Orly | 763.38 mi (1,228.54 km) |
| Chelmno to Ormesson-sur-Marne | 756.20 mi (1,216.99 km) |
| Chelmno to Orsay | 773.04 mi (1,244.09 km) |
