| Porcari to Oerlinghausen | 568.56 mi (915.00 km) |
| Porcari to Oestrich-Winkel | 442.99 mi (712.92 km) |
| Porcari to Offenburg | 344.35 mi (554.18 km) |
| Porcari to Oftersheim | 393.97 mi (634.03 km) |
| Porcari to Ohrdruf | 482.76 mi (776.92 km) |
| Porcari to Ohringen | 374.01 mi (601.91 km) |
| Porcari to Olbernhau | 488.40 mi (786.00 km) |
| Porcari to Olching | 303.01 mi (487.64 km) |
| Porcari to Oldenburg | 651.98 mi (1,049.26 km) |
| Porcari to Oldenburg in Holstein | 722.71 mi (1,163.09 km) |
| Porcari to Olfen | 564.30 mi (908.15 km) |
| Porcari to Olpe | 512.44 mi (824.69 km) |
| Porcari to Olsberg | 528.16 mi (849.99 km) |
| Porcari to Oranienburg | 627.38 mi (1,009.67 km) |
| Porcari to Ortenberg | 456.01 mi (733.88 km) |
