| Casaluce to Oerlinghausen | 801.56 mi (1,289.99 km) |
| Casaluce to Oestrich-Winkel | 689.95 mi (1,110.37 km) |
| Casaluce to Offenburg | 600.16 mi (965.86 km) |
| Casaluce to Oftersheim | 639.30 mi (1,028.85 km) |
| Casaluce to Ohrdruf | 699.00 mi (1,124.94 km) |
| Casaluce to Ohringen | 610.87 mi (983.10 km) |
| Casaluce to Olbernhau | 669.19 mi (1,076.96 km) |
| Casaluce to Olching | 517.20 mi (832.35 km) |
| Casaluce to Oldenburg | 884.31 mi (1,423.16 km) |
| Casaluce to Oldenburg in Holstein | 931.55 mi (1,499.19 km) |
| Casaluce to Olfen | 807.80 mi (1,300.02 km) |
| Casaluce to Olpe | 755.83 mi (1,216.39 km) |
| Casaluce to Olsberg | 765.05 mi (1,231.23 km) |
| Casaluce to Oranienburg | 813.40 mi (1,309.05 km) |
| Casaluce to Ortenberg | 692.07 mi (1,113.77 km) |
