| Amposta to Oberriet | 637.68 mi (1,026.25 km) |
| Amposta to Obersiggenthal | 604.03 mi (972.09 km) |
| Amposta to Oberwil | 583.10 mi (938.41 km) |
| Amposta to Oberwingert | 620.70 mi (998.92 km) |
| Amposta to Oftringen | 583.58 mi (939.18 km) |
| Amposta to Olten | 584.80 mi (941.14 km) |
| Amposta to Onex | 468.39 mi (753.80 km) |
| Amposta to Opfikon | 610.00 mi (981.70 km) |
| Amposta to Ostermundigen | 551.54 mi (887.62 km) |
| Amposta to Payerne | 527.32 mi (848.64 km) |
| Amposta to Pfaffikon | 613.71 mi (987.67 km) |
| Amposta to Plan-les-Ouates | 467.98 mi (753.14 km) |
| Amposta to Pratteln | 587.56 mi (945.58 km) |
| Amposta to Prilly | 502.16 mi (808.14 km) |
| Amposta to Pully | 503.27 mi (809.93 km) |
