| Alcantarilla to Oerlinghausen | 1,078.46 mi (1,735.61 km) |
| Alcantarilla to Oestrich-Winkel | 947.15 mi (1,524.29 km) |
| Alcantarilla to Offenburg | 857.50 mi (1,380.01 km) |
| Alcantarilla to Oftersheim | 925.52 mi (1,489.48 km) |
| Alcantarilla to Ohrdruf | 1,063.14 mi (1,710.95 km) |
| Alcantarilla to Ohringen | 940.88 mi (1,514.20 km) |
| Alcantarilla to Olbernhau | 1,129.86 mi (1,818.33 km) |
| Alcantarilla to Olching | 945.68 mi (1,521.92 km) |
| Alcantarilla to Oldenburg | 1,140.80 mi (1,835.94 km) |
| Alcantarilla to Oldenburg in Holstein | 1,263.96 mi (2,034.14 km) |
| Alcantarilla to Olfen | 1,037.06 mi (1,668.98 km) |
| Alcantarilla to Olpe | 1,003.69 mi (1,615.28 km) |
| Alcantarilla to Olsberg | 1,037.75 mi (1,670.10 km) |
| Alcantarilla to Oranienburg | 1,233.90 mi (1,985.76 km) |
| Alcantarilla to Ortenberg | 993.34 mi (1,598.62 km) |
