| Alamogordo to Oerlinghausen | 5,372.64 mi (8,646.43 km) |
| Alamogordo to Oestrich-Winkel | 5,434.68 mi (8,746.27 km) |
| Alamogordo to Offenburg | 5,498.40 mi (8,848.82 km) |
| Alamogordo to Oftersheim | 5,482.28 mi (8,822.88 km) |
| Alamogordo to Ohrdruf | 5,491.39 mi (8,837.54 km) |
| Alamogordo to Ohringen | 5,521.66 mi (8,886.26 km) |
| Alamogordo to Olbernhau | 5,584.29 mi (8,987.05 km) |
| Alamogordo to Olching | 5,629.53 mi (9,059.85 km) |
| Alamogordo to Oldenburg | 5,307.24 mi (8,541.17 km) |
| Alamogordo to Oldenburg in Holstein | 5,341.87 mi (8,596.91 km) |
| Alamogordo to Olfen | 5,340.27 mi (8,594.34 km) |
| Alamogordo to Olpe | 5,385.34 mi (8,666.87 km) |
| Alamogordo to Olsberg | 5,393.10 mi (8,679.35 km) |
| Alamogordo to Oranienburg | 5,484.81 mi (8,826.95 km) |
| Alamogordo to Ortenberg | 5,455.64 mi (8,780.01 km) |
