| Catalca to Octeville | 1,561.14 mi (2,512.42 km) |
| Catalca to Oignies | 1,376.05 mi (2,214.55 km) |
| Catalca to Oissel | 1,436.96 mi (2,312.56 km) |
| Catalca to Olivet | 1,380.67 mi (2,221.98 km) |
| Catalca to Ollioules | 1,163.29 mi (1,872.14 km) |
| Catalca to Olonne-sur-Mer | 1,541.97 mi (2,481.56 km) |
| Catalca to Oloron-Sainte-Marie | 1,487.89 mi (2,394.53 km) |
| Catalca to Onet Village | 1,325.50 mi (2,133.19 km) |
| Catalca to Onnaing | 1,349.03 mi (2,171.05 km) |
| Catalca to Orange | 1,215.55 mi (1,956.24 km) |
| Catalca to Orchies | 1,365.71 mi (2,197.89 km) |
| Catalca to Orleans | 1,380.74 mi (2,222.09 km) |
| Catalca to Orly | 1,370.35 mi (2,205.36 km) |
| Catalca to Ormesson-sur-Marne | 1,364.53 mi (2,196.00 km) |
| Catalca to Orsay | 1,378.80 mi (2,218.96 km) |
