| Richardson to Oststeinbek | 5,041.15 mi (8,112.95 km) |
| Richardson to Ottendorf-Okrilla | 5,260.87 mi (8,466.55 km) |
| Richardson to Ottersberg | 5,022.34 mi (8,082.68 km) |
| Richardson to Ottobrunn | 5,307.31 mi (8,541.28 km) |
| Richardson to Ottweiler | 5,086.74 mi (8,186.31 km) |
| Richardson to Overath | 5,034.19 mi (8,101.74 km) |
| Richardson to Oyten | 5,019.14 mi (8,077.52 km) |
| Richardson to Paderborn | 5,059.32 mi (8,142.19 km) |
| Richardson to Papenburg | 4,961.75 mi (7,985.17 km) |
| Richardson to Parchim | 5,103.17 mi (8,212.75 km) |
| Richardson to Pasewalk | 5,173.01 mi (8,325.16 km) |
| Richardson to Passau | 5,353.94 mi (8,616.33 km) |
| Richardson to Pattensen | 5,075.14 mi (8,167.64 km) |
| Richardson to Pegnitz | 5,235.92 mi (8,426.40 km) |
| Richardson to Peine | 5,089.64 mi (8,190.99 km) |
