| Irving to Oerlinghausen | 5,062.51 mi (8,147.32 km) |
| Irving to Oestrich-Winkel | 5,110.80 mi (8,225.03 km) |
| Irving to Offenburg | 5,165.27 mi (8,312.71 km) |
| Irving to Oftersheim | 5,156.27 mi (8,298.22 km) |
| Irving to Ohrdruf | 5,180.11 mi (8,336.58 km) |
| Irving to Ohringen | 5,197.23 mi (8,364.14 km) |
| Irving to Olbernhau | 5,279.68 mi (8,496.82 km) |
| Irving to Olching | 5,304.60 mi (8,536.92 km) |
| Irving to Oldenburg | 5,003.22 mi (8,051.91 km) |
| Irving to Oldenburg in Holstein | 5,052.28 mi (8,130.87 km) |
| Irving to Olfen | 5,025.17 mi (8,087.23 km) |
| Irving to Olpe | 5,067.15 mi (8,154.79 km) |
| Irving to Olsberg | 5,078.69 mi (8,173.36 km) |
| Irving to Oranienburg | 5,192.33 mi (8,356.25 km) |
| Irving to Ortenberg | 5,136.80 mi (8,266.88 km) |
