| Gunbarrel to Nyon | 5,122.55 mi (8,243.95 km) |
| Gunbarrel to Oberriet | 5,193.48 mi (8,358.10 km) |
| Gunbarrel to Obersiggenthal | 5,142.21 mi (8,275.59 km) |
| Gunbarrel to Oberwil | 5,115.78 mi (8,233.05 km) |
| Gunbarrel to Oberwingert | 5,156.97 mi (8,299.34 km) |
| Gunbarrel to Oftringen | 5,137.43 mi (8,267.90 km) |
| Gunbarrel to Olten | 5,135.29 mi (8,264.46 km) |
| Gunbarrel to Onex | 5,127.11 mi (8,251.29 km) |
| Gunbarrel to Opfikon | 5,154.09 mi (8,294.70 km) |
| Gunbarrel to Ostermundigen | 5,139.75 mi (8,271.63 km) |
| Gunbarrel to Payerne | 5,126.92 mi (8,250.99 km) |
| Gunbarrel to Pfaffikon | 5,164.61 mi (8,311.63 km) |
| Gunbarrel to Plan-les-Ouates | 5,128.48 mi (8,253.49 km) |
| Gunbarrel to Pratteln | 5,120.60 mi (8,240.82 km) |
| Gunbarrel to Prilly | 5,128.49 mi (8,253.50 km) |
