| Chioggia to Oerlinghausen | 494.38 mi (795.63 km) |
| Chioggia to Oestrich-Winkel | 385.62 mi (620.60 km) |
| Chioggia to Offenburg | 304.06 mi (489.33 km) |
| Chioggia to Oftersheim | 334.90 mi (538.98 km) |
| Chioggia to Ohrdruf | 394.02 mi (634.11 km) |
| Chioggia to Ohringen | 304.33 mi (489.77 km) |
| Chioggia to Olbernhau | 379.50 mi (610.74 km) |
| Chioggia to Olching | 210.91 mi (339.42 km) |
| Chioggia to Oldenburg | 577.24 mi (928.97 km) |
| Chioggia to Oldenburg in Holstein | 630.45 mi (1,014.60 km) |
| Chioggia to Olfen | 501.54 mi (807.14 km) |
| Chioggia to Olpe | 449.78 mi (723.85 km) |
| Chioggia to Olsberg | 457.95 mi (737.00 km) |
| Chioggia to Oranienburg | 522.40 mi (840.72 km) |
| Chioggia to Ortenberg | 385.04 mi (619.67 km) |
