| Serpa to Oststeinbek | 1,368.76 mi (2,202.80 km) |
| Serpa to Ottendorf-Okrilla | 1,386.65 mi (2,231.59 km) |
| Serpa to Ottersberg | 1,317.45 mi (2,120.22 km) |
| Serpa to Ottobrunn | 1,193.15 mi (1,920.18 km) |
| Serpa to Ottweiler | 1,076.77 mi (1,732.90 km) |
| Serpa to Overath | 1,156.28 mi (1,860.85 km) |
| Serpa to Oyten | 1,311.70 mi (2,110.98 km) |
| Serpa to Paderborn | 1,238.24 mi (1,992.76 km) |
| Serpa to Papenburg | 1,266.89 mi (2,038.86 km) |
| Serpa to Parchim | 1,412.84 mi (2,273.75 km) |
| Serpa to Pasewalk | 1,485.32 mi (2,390.39 km) |
| Serpa to Passau | 1,282.56 mi (2,064.08 km) |
| Serpa to Pattensen | 1,295.59 mi (2,085.05 km) |
| Serpa to Pegnitz | 1,248.87 mi (2,009.85 km) |
| Serpa to Peine | 1,312.63 mi (2,112.48 km) |
