| Grottaglie to Oberriet | 610.02 mi (981.73 km) |
| Grottaglie to Obersiggenthal | 660.30 mi (1,062.66 km) |
| Grottaglie to Oberwil | 687.06 mi (1,105.72 km) |
| Grottaglie to Oberwingert | 645.81 mi (1,039.33 km) |
| Grottaglie to Oftringen | 665.37 mi (1,070.80 km) |
| Grottaglie to Olten | 667.47 mi (1,074.20 km) |
| Grottaglie to Onex | 689.26 mi (1,109.25 km) |
| Grottaglie to Opfikon | 648.47 mi (1,043.62 km) |
| Grottaglie to Ostermundigen | 664.81 mi (1,069.91 km) |
| Grottaglie to Payerne | 680.00 mi (1,094.36 km) |
| Grottaglie to Pfaffikon | 638.01 mi (1,026.78 km) |
| Grottaglie to Plan-les-Ouates | 687.99 mi (1,107.21 km) |
| Grottaglie to Pratteln | 682.10 mi (1,097.74 km) |
| Grottaglie to Prilly | 681.85 mi (1,097.32 km) |
| Grottaglie to Pully | 678.57 mi (1,092.05 km) |
