| Castellana Grotte to Oberriet | 582.33 mi (937.17 km) |
| Castellana Grotte to Obersiggenthal | 632.86 mi (1,018.48 km) |
| Castellana Grotte to Oberwil | 659.80 mi (1,061.84 km) |
| Castellana Grotte to Oberwingert | 618.24 mi (994.96 km) |
| Castellana Grotte to Oftringen | 638.10 mi (1,026.91 km) |
| Castellana Grotte to Olten | 640.19 mi (1,030.29 km) |
| Castellana Grotte to Onex | 663.42 mi (1,067.67 km) |
| Castellana Grotte to Opfikon | 620.98 mi (999.37 km) |
| Castellana Grotte to Ostermundigen | 637.87 mi (1,026.55 km) |
| Castellana Grotte to Payerne | 653.34 mi (1,051.45 km) |
| Castellana Grotte to Pfaffikon | 610.49 mi (982.48 km) |
| Castellana Grotte to Plan-les-Ouates | 662.16 mi (1,065.64 km) |
| Castellana Grotte to Pratteln | 654.80 mi (1,053.80 km) |
| Castellana Grotte to Prilly | 655.51 mi (1,054.95 km) |
| Castellana Grotte to Pully | 652.23 mi (1,049.66 km) |
