| Big Spring to Nyon | 5,386.18 mi (8,668.22 km) |
| Big Spring to Oberriet | 5,476.90 mi (8,814.22 km) |
| Big Spring to Obersiggenthal | 5,421.81 mi (8,725.56 km) |
| Big Spring to Oberwil | 5,392.69 mi (8,678.70 km) |
| Big Spring to Oberwingert | 5,438.64 mi (8,752.65 km) |
| Big Spring to Oftringen | 5,414.37 mi (8,713.58 km) |
| Big Spring to Olten | 5,412.40 mi (8,710.41 km) |
| Big Spring to Onex | 5,388.76 mi (8,672.37 km) |
| Big Spring to Opfikon | 5,434.38 mi (8,745.79 km) |
| Big Spring to Ostermundigen | 5,412.44 mi (8,710.49 km) |
| Big Spring to Payerne | 5,396.44 mi (8,684.73 km) |
| Big Spring to Pfaffikon | 5,445.29 mi (8,763.34 km) |
| Big Spring to Plan-les-Ouates | 5,390.07 mi (8,674.48 km) |
| Big Spring to Pratteln | 5,398.11 mi (8,687.42 km) |
| Big Spring to Prilly | 5,394.65 mi (8,681.85 km) |
