| Isabela to Oerlinghausen | 4,613.70 mi (7,425.04 km) |
| Isabela to Oestrich-Winkel | 4,586.71 mi (7,381.59 km) |
| Isabela to Offenburg | 4,586.14 mi (7,380.68 km) |
| Isabela to Oftersheim | 4,613.88 mi (7,425.32 km) |
| Isabela to Ohrdruf | 4,705.08 mi (7,572.10 km) |
| Isabela to Ohringen | 4,655.53 mi (7,492.36 km) |
| Isabela to Olbernhau | 4,819.25 mi (7,755.84 km) |
| Isabela to Olching | 4,742.28 mi (7,631.96 km) |
| Isabela to Oldenburg | 4,594.34 mi (7,393.87 km) |
| Isabela to Oldenburg in Holstein | 4,702.57 mi (7,568.06 km) |
| Isabela to Olfen | 4,558.99 mi (7,336.98 km) |
| Isabela to Olpe | 4,578.49 mi (7,368.37 km) |
| Isabela to Olsberg | 4,606.39 mi (7,413.27 km) |
| Isabela to Oranienburg | 4,804.17 mi (7,731.57 km) |
| Isabela to Ortenberg | 4,632.81 mi (7,455.79 km) |
