| Alfaro to Oerlinghausen | 833.47 mi (1,341.34 km) |
| Alfaro to Oestrich-Winkel | 713.16 mi (1,147.72 km) |
| Alfaro to Offenburg | 639.43 mi (1,029.06 km) |
| Alfaro to Oftersheim | 702.32 mi (1,130.28 km) |
| Alfaro to Ohrdruf | 840.19 mi (1,352.16 km) |
| Alfaro to Ohringen | 726.74 mi (1,169.57 km) |
| Alfaro to Olbernhau | 924.32 mi (1,487.55 km) |
| Alfaro to Olching | 758.63 mi (1,220.90 km) |
| Alfaro to Oldenburg | 886.38 mi (1,426.48 km) |
| Alfaro to Oldenburg in Holstein | 1,016.17 mi (1,635.37 km) |
| Alfaro to Olfen | 785.99 mi (1,264.92 km) |
| Alfaro to Olpe | 760.16 mi (1,223.36 km) |
| Alfaro to Olsberg | 795.98 mi (1,281.01 km) |
| Alfaro to Oranienburg | 1,008.00 mi (1,622.23 km) |
| Alfaro to Ortenberg | 763.68 mi (1,229.03 km) |
