| Tarragona to Oberriet | 593.61 mi (955.33 km) |
| Tarragona to Obersiggenthal | 560.76 mi (902.46 km) |
| Tarragona to Oberwil | 540.43 mi (869.74 km) |
| Tarragona to Oberwingert | 577.16 mi (928.85 km) |
| Tarragona to Oftringen | 540.42 mi (869.73 km) |
| Tarragona to Olten | 541.69 mi (871.76 km) |
| Tarragona to Onex | 425.67 mi (685.05 km) |
| Tarragona to Opfikon | 566.51 mi (911.71 km) |
| Tarragona to Ostermundigen | 508.37 mi (818.14 km) |
| Tarragona to Payerne | 484.48 mi (779.69 km) |
| Tarragona to Pfaffikon | 570.04 mi (917.39 km) |
| Tarragona to Plan-les-Ouates | 425.22 mi (684.33 km) |
| Tarragona to Pratteln | 544.77 mi (876.72 km) |
| Tarragona to Prilly | 459.33 mi (739.21 km) |
| Tarragona to Pully | 460.35 mi (740.87 km) |
