| Pfullendorf to Oerlinghausen | 280.54 mi (451.48 km) |
| Pfullendorf to Oestrich-Winkel | 154.33 mi (248.37 km) |
| Pfullendorf to Offenburg | 71.55 mi (115.15 km) |
| Pfullendorf to Oftersheim | 104.54 mi (168.24 km) |
| Pfullendorf to Ohrdruf | 211.33 mi (340.11 km) |
| Pfullendorf to Ohringen | 88.85 mi (142.99 km) |
| Pfullendorf to Olbernhau | 263.83 mi (424.60 km) |
| Pfullendorf to Olching | 97.01 mi (156.12 km) |
| Pfullendorf to Oldenburg | 363.53 mi (585.05 km) |
| Pfullendorf to Oldenburg in Holstein | 446.11 mi (717.94 km) |
| Pfullendorf to Olfen | 275.00 mi (442.57 km) |
| Pfullendorf to Olpe | 223.01 mi (358.90 km) |
| Pfullendorf to Olsberg | 239.21 mi (384.98 km) |
| Pfullendorf to Oranienburg | 376.94 mi (606.62 km) |
| Pfullendorf to Ortenberg | 168.25 mi (270.78 km) |
