| Tortosa to Octeville | 617.98 mi (994.55 km) |
| Tortosa to Oignies | 677.72 mi (1,090.68 km) |
| Tortosa to Oissel | 589.98 mi (949.47 km) |
| Tortosa to Olivet | 491.93 mi (791.68 km) |
| Tortosa to Ollioules | 317.22 mi (510.51 km) |
| Tortosa to Olonne-sur-Mer | 411.69 mi (662.55 km) |
| Tortosa to Oloron-Sainte-Marie | 174.45 mi (280.74 km) |
| Tortosa to Onet Village | 267.15 mi (429.94 km) |
| Tortosa to Onnaing | 677.95 mi (1,091.05 km) |
| Tortosa to Orange | 317.03 mi (510.22 km) |
| Tortosa to Orchies | 680.30 mi (1,094.84 km) |
| Tortosa to Orleans | 494.62 mi (796.02 km) |
| Tortosa to Orly | 555.59 mi (894.14 km) |
| Tortosa to Ormesson-sur-Marne | 559.65 mi (900.67 km) |
| Tortosa to Orsay | 550.90 mi (886.60 km) |
