| Tucson Mountains to Nyon | 5,745.85 mi (9,247.05 km) |
| Tucson Mountains to Oberriet | 5,819.96 mi (9,366.32 km) |
| Tucson Mountains to Obersiggenthal | 5,768.11 mi (9,282.88 km) |
| Tucson Mountains to Oberwil | 5,741.25 mi (9,239.65 km) |
| Tucson Mountains to Oberwingert | 5,783.17 mi (9,307.12 km) |
| Tucson Mountains to Oftringen | 5,762.94 mi (9,274.55 km) |
| Tucson Mountains to Olten | 5,760.82 mi (9,271.14 km) |
| Tucson Mountains to Onex | 5,750.06 mi (9,253.83 km) |
| Tucson Mountains to Opfikon | 5,780.10 mi (9,302.17 km) |
| Tucson Mountains to Ostermundigen | 5,764.60 mi (9,277.23 km) |
| Tucson Mountains to Payerne | 5,751.24 mi (9,255.73 km) |
| Tucson Mountains to Pfaffikon | 5,790.68 mi (9,319.20 km) |
| Tucson Mountains to Plan-les-Ouates | 5,751.42 mi (9,256.01 km) |
| Tucson Mountains to Pratteln | 5,746.17 mi (9,247.57 km) |
| Tucson Mountains to Prilly | 5,752.24 mi (9,257.34 km) |
