| Tortosa to Oberriet | 634.49 mi (1,021.12 km) |
| Tortosa to Obersiggenthal | 600.28 mi (966.05 km) |
| Tortosa to Oberwil | 579.04 mi (931.88 km) |
| Tortosa to Oberwingert | 617.11 mi (993.15 km) |
| Tortosa to Oftringen | 579.77 mi (933.05 km) |
| Tortosa to Olten | 580.96 mi (934.97 km) |
| Tortosa to Onex | 464.38 mi (747.35 km) |
| Tortosa to Opfikon | 606.38 mi (975.88 km) |
| Tortosa to Ostermundigen | 547.75 mi (881.52 km) |
| Tortosa to Payerne | 523.35 mi (842.26 km) |
| Tortosa to Pfaffikon | 610.21 mi (982.03 km) |
| Tortosa to Plan-les-Ouates | 463.99 mi (746.72 km) |
| Tortosa to Pratteln | 583.55 mi (939.14 km) |
| Tortosa to Prilly | 498.20 mi (801.77 km) |
| Tortosa to Pully | 499.35 mi (803.63 km) |
