| Iglesias to Oerlinghausen | 874.05 mi (1,406.65 km) |
| Iglesias to Oestrich-Winkel | 738.60 mi (1,188.67 km) |
| Iglesias to Offenburg | 632.90 mi (1,018.56 km) |
| Iglesias to Oftersheim | 694.66 mi (1,117.95 km) |
| Iglesias to Ohrdruf | 802.47 mi (1,291.45 km) |
| Iglesias to Ohringen | 684.53 mi (1,101.64 km) |
| Iglesias to Olbernhau | 818.08 mi (1,316.58 km) |
| Iglesias to Olching | 629.18 mi (1,012.57 km) |
| Iglesias to Oldenburg | 955.49 mi (1,537.71 km) |
| Iglesias to Oldenburg in Holstein | 1,041.04 mi (1,675.40 km) |
| Iglesias to Olfen | 858.53 mi (1,381.68 km) |
| Iglesias to Olpe | 809.10 mi (1,302.12 km) |
| Iglesias to Olsberg | 831.42 mi (1,338.05 km) |
| Iglesias to Oranienburg | 954.95 mi (1,536.84 km) |
| Iglesias to Ortenberg | 763.15 mi (1,228.17 km) |
