| Gadsden to Octeville | 4,242.00 mi (6,826.83 km) |
| Gadsden to Oignies | 4,412.53 mi (7,101.27 km) |
| Gadsden to Oissel | 4,363.66 mi (7,022.63 km) |
| Gadsden to Olivet | 4,436.87 mi (7,140.46 km) |
| Gadsden to Ollioules | 4,748.68 mi (7,642.26 km) |
| Gadsden to Olonne-sur-Mer | 4,312.04 mi (6,939.56 km) |
| Gadsden to Oloron-Sainte-Marie | 4,453.45 mi (7,167.14 km) |
| Gadsden to Onet Village | 4,565.62 mi (7,347.65 km) |
| Gadsden to Onnaing | 4,439.23 mi (7,144.25 km) |
| Gadsden to Orange | 4,671.29 mi (7,517.71 km) |
| Gadsden to Orchies | 4,422.55 mi (7,117.40 km) |
| Gadsden to Orleans | 4,436.19 mi (7,139.35 km) |
| Gadsden to Orly | 4,433.91 mi (7,135.68 km) |
| Gadsden to Ormesson-sur-Marne | 4,438.87 mi (7,143.67 km) |
| Gadsden to Orsay | 4,426.52 mi (7,123.80 km) |
