| Southborough to Nyon | 427.23 mi (687.56 km) |
| Southborough to Oberriet | 496.01 mi (798.25 km) |
| Southborough to Obersiggenthal | 441.27 mi (710.16 km) |
| Southborough to Oberwil | 413.41 mi (665.32 km) |
| Southborough to Oberwingert | 457.73 mi (736.64 km) |
| Southborough to Oftringen | 435.12 mi (700.25 km) |
| Southborough to Olten | 433.03 mi (696.90 km) |
| Southborough to Onex | 434.57 mi (699.38 km) |
| Southborough to Opfikon | 453.68 mi (730.12 km) |
| Southborough to Ostermundigen | 437.12 mi (703.47 km) |
| Southborough to Payerne | 425.65 mi (685.01 km) |
| Southborough to Pfaffikon | 464.51 mi (747.56 km) |
| Southborough to Plan-les-Ouates | 435.97 mi (701.63 km) |
| Southborough to Pratteln | 418.47 mi (673.46 km) |
| Southborough to Prilly | 429.97 mi (691.98 km) |
