| Bettendorf to Oerlinghausen | 4,373.51 mi (7,038.49 km) |
| Bettendorf to Oestrich-Winkel | 4,426.41 mi (7,123.62 km) |
| Bettendorf to Offenburg | 4,484.57 mi (7,217.21 km) |
| Bettendorf to Oftersheim | 4,472.74 mi (7,198.17 km) |
| Bettendorf to Ohrdruf | 4,491.60 mi (7,228.54 km) |
| Bettendorf to Ohringen | 4,513.16 mi (7,263.23 km) |
| Bettendorf to Olbernhau | 4,589.37 mi (7,385.88 km) |
| Bettendorf to Olching | 4,620.85 mi (7,436.54 km) |
| Bettendorf to Oldenburg | 4,312.43 mi (6,940.18 km) |
| Bettendorf to Oldenburg in Holstein | 4,358.15 mi (7,013.77 km) |
| Bettendorf to Olfen | 4,337.66 mi (6,980.79 km) |
| Bettendorf to Olpe | 4,380.71 mi (7,050.07 km) |
| Bettendorf to Olsberg | 4,391.03 mi (7,066.67 km) |
| Bettendorf to Oranienburg | 4,498.96 mi (7,240.37 km) |
| Bettendorf to Ortenberg | 4,450.67 mi (7,162.66 km) |
