| Alsip to Oerlinghausen | 4,270.94 mi (6,873.41 km) |
| Alsip to Oestrich-Winkel | 4,320.32 mi (6,952.89 km) |
| Alsip to Offenburg | 4,376.15 mi (7,042.73 km) |
| Alsip to Oftersheim | 4,366.09 mi (7,026.54 km) |
| Alsip to Ohrdruf | 4,388.62 mi (7,062.81 km) |
| Alsip to Ohringen | 4,406.87 mi (7,092.18 km) |
| Alsip to Olbernhau | 4,487.97 mi (7,222.69 km) |
| Alsip to Olching | 4,514.37 mi (7,265.17 km) |
| Alsip to Oldenburg | 4,211.48 mi (6,777.73 km) |
| Alsip to Oldenburg in Holstein | 4,260.88 mi (6,857.22 km) |
| Alsip to Olfen | 4,233.86 mi (6,813.73 km) |
| Alsip to Olpe | 4,276.09 mi (6,881.70 km) |
| Alsip to Olsberg | 4,287.35 mi (6,899.83 km) |
| Alsip to Oranienburg | 4,400.74 mi (7,082.31 km) |
| Alsip to Ortenberg | 4,345.83 mi (6,993.93 km) |
