| Clarksburg to Oststeinbek | 4,010.58 mi (6,454.40 km) |
| Clarksburg to Ottendorf-Okrilla | 4,220.96 mi (6,792.97 km) |
| Clarksburg to Ottersberg | 3,984.74 mi (6,412.82 km) |
| Clarksburg to Ottobrunn | 4,236.10 mi (6,817.35 km) |
| Clarksburg to Ottweiler | 4,012.46 mi (6,457.43 km) |
| Clarksburg to Overath | 3,972.82 mi (6,393.64 km) |
| Clarksburg to Oyten | 3,980.80 mi (6,406.48 km) |
| Clarksburg to Paderborn | 4,008.45 mi (6,450.97 km) |
| Clarksburg to Papenburg | 3,918.92 mi (6,306.89 km) |
| Clarksburg to Parchim | 4,076.50 mi (6,560.49 km) |
| Clarksburg to Pasewalk | 4,154.06 mi (6,685.31 km) |
| Clarksburg to Passau | 4,292.09 mi (6,907.44 km) |
| Clarksburg to Pattensen | 4,031.93 mi (6,488.76 km) |
| Clarksburg to Pegnitz | 4,177.20 mi (6,722.56 km) |
| Clarksburg to Peine | 4,048.28 mi (6,515.08 km) |
