| Sigmaringen to Opwijk | 300.79 mi (484.07 km) |
| Sigmaringen to Ostend | 355.28 mi (571.77 km) |
| Sigmaringen to Oud-Heverlee | 278.76 mi (448.62 km) |
| Sigmaringen to Oud-Turnhout | 292.46 mi (470.66 km) |
| Sigmaringen to Oudenaarde | 316.16 mi (508.81 km) |
| Sigmaringen to Oudenburg | 350.74 mi (564.46 km) |
| Sigmaringen to Oupeye | 242.07 mi (389.58 km) |
| Sigmaringen to Overijse | 280.95 mi (452.15 km) |
| Sigmaringen to Overpelt | 274.99 mi (442.55 km) |
| Sigmaringen to Paal | 272.78 mi (438.99 km) |
| Sigmaringen to Peer | 269.51 mi (433.74 km) |
| Sigmaringen to Pepinster | 229.73 mi (369.72 km) |
| Sigmaringen to Peruwelz | 304.17 mi (489.52 km) |
| Sigmaringen to Perwez | 264.44 mi (425.58 km) |
| Sigmaringen to Philippeville | 256.45 mi (412.72 km) |
