| Carmaux to Oignies | 445.30 mi (716.64 km) |
| Carmaux to Oissel | 369.16 mi (594.10 km) |
| Carmaux to Olivet | 263.86 mi (424.64 km) |
| Carmaux to Ollioules | 194.98 mi (313.79 km) |
| Carmaux to Olonne-sur-Mer | 256.91 mi (413.45 km) |
| Carmaux to Oloron-Sainte-Marie | 150.37 mi (241.99 km) |
| Carmaux to Onet Village | 30.71 mi (49.42 km) |
| Carmaux to Onnaing | 443.11 mi (713.12 km) |
| Carmaux to Orange | 131.72 mi (211.98 km) |
| Carmaux to Orchies | 446.86 mi (719.15 km) |
| Carmaux to Orleans | 266.51 mi (428.90 km) |
| Carmaux to Orly | 324.56 mi (522.34 km) |
| Carmaux to Ormesson-sur-Marne | 327.77 mi (527.49 km) |
| Carmaux to Orsay | 321.21 mi (516.94 km) |
| Carmaux to Orthez | 151.18 mi (243.31 km) |
