| Warren to Nyon | 4,165.62 mi (6,703.92 km) |
| Warren to Oberriet | 4,263.67 mi (6,861.72 km) |
| Warren to Obersiggenthal | 4,207.22 mi (6,770.86 km) |
| Warren to Oberwil | 4,177.13 mi (6,722.44 km) |
| Warren to Oberwingert | 4,224.85 mi (6,799.25 km) |
| Warren to Oftringen | 4,198.70 mi (6,757.15 km) |
| Warren to Olten | 4,196.81 mi (6,754.11 km) |
| Warren to Onex | 4,167.53 mi (6,706.99 km) |
| Warren to Opfikon | 4,220.02 mi (6,791.47 km) |
| Warren to Ostermundigen | 4,195.09 mi (6,751.34 km) |
| Warren to Payerne | 4,177.95 mi (6,723.76 km) |
| Warren to Pfaffikon | 4,231.03 mi (6,809.19 km) |
| Warren to Plan-les-Ouates | 4,168.81 mi (6,709.06 km) |
| Warren to Pratteln | 4,182.76 mi (6,731.50 km) |
| Warren to Prilly | 4,174.94 mi (6,718.92 km) |
