| North Potomac to Plombieres | 3,929.54 mi (6,323.99 km) |
| North Potomac to Pont-a-Celles | 3,871.00 mi (6,229.77 km) |
| North Potomac to Poperinge | 3,795.85 mi (6,108.83 km) |
| North Potomac to Profondeville | 3,895.40 mi (6,269.04 km) |
| North Potomac to Putte | 3,868.15 mi (6,225.19 km) |
| North Potomac to Puurs | 3,853.26 mi (6,201.22 km) |
| North Potomac to Quaregnon | 3,853.04 mi (6,200.86 km) |
| North Potomac to Raeren | 3,937.61 mi (6,336.96 km) |
| North Potomac to Ranst | 3,860.92 mi (6,213.56 km) |
| North Potomac to Ravels | 3,874.65 mi (6,235.64 km) |
| North Potomac to Retie | 3,879.92 mi (6,244.12 km) |
| North Potomac to Riemst | 3,913.50 mi (6,298.17 km) |
| North Potomac to Rijkevorsel | 3,865.75 mi (6,221.32 km) |
| North Potomac to Rixensart | 3,872.78 mi (6,232.64 km) |
| North Potomac to Rochefort | 3,915.14 mi (6,300.80 km) |
