| Quarteira to Oberriet | 1,144.08 mi (1,841.22 km) |
| Quarteira to Obersiggenthal | 1,100.76 mi (1,771.51 km) |
| Quarteira to Oberwil | 1,073.87 mi (1,728.23 km) |
| Quarteira to Oberwingert | 1,120.30 mi (1,802.95 km) |
| Quarteira to Oftringen | 1,079.64 mi (1,737.51 km) |
| Quarteira to Olten | 1,080.33 mi (1,738.62 km) |
| Quarteira to Onex | 964.16 mi (1,551.66 km) |
| Quarteira to Opfikon | 1,109.24 mi (1,785.14 km) |
| Quarteira to Ostermundigen | 1,048.84 mi (1,687.94 km) |
| Quarteira to Payerne | 1,021.90 mi (1,644.59 km) |
| Quarteira to Pfaffikon | 1,115.09 mi (1,794.56 km) |
| Quarteira to Plan-les-Ouates | 964.14 mi (1,551.63 km) |
| Quarteira to Pratteln | 1,079.47 mi (1,737.24 km) |
| Quarteira to Prilly | 997.63 mi (1,605.54 km) |
| Quarteira to Pully | 999.54 mi (1,608.61 km) |
