| Barstow to Oststeinbek | 5,562.45 mi (8,951.89 km) |
| Barstow to Ottendorf-Okrilla | 5,786.83 mi (9,313.01 km) |
| Barstow to Ottersberg | 5,557.33 mi (8,943.66 km) |
| Barstow to Ottobrunn | 5,892.04 mi (9,482.33 km) |
| Barstow to Ottweiler | 5,688.75 mi (9,155.16 km) |
| Barstow to Overath | 5,613.09 mi (9,033.40 km) |
| Barstow to Oyten | 5,555.64 mi (8,940.93 km) |
| Barstow to Paderborn | 5,616.80 mi (9,039.36 km) |
| Barstow to Papenburg | 5,509.67 mi (8,866.95 km) |
| Barstow to Parchim | 5,613.96 mi (9,034.79 km) |
| Barstow to Pasewalk | 5,666.17 mi (9,118.82 km) |
| Barstow to Passau | 5,917.30 mi (9,522.97 km) |
| Barstow to Pattensen | 5,617.43 mi (9,040.39 km) |
| Barstow to Pegnitz | 5,799.14 mi (9,332.81 km) |
| Barstow to Peine | 5,627.73 mi (9,056.95 km) |
