| North Potomac to Kortenberg | 3,868.45 mi (6,225.66 km) |
| North Potomac to Kortrijk | 3,818.40 mi (6,145.12 km) |
| North Potomac to Kraainem | 3,865.93 mi (6,221.61 km) |
| North Potomac to Kruibeke | 3,851.73 mi (6,198.76 km) |
| North Potomac to Kuurne | 3,818.72 mi (6,145.64 km) |
| North Potomac to La Bruyere | 3,889.29 mi (6,259.21 km) |
| North Potomac to La Calamine | 3,932.46 mi (6,328.68 km) |
| North Potomac to La Louviere | 3,865.08 mi (6,220.25 km) |
| North Potomac to Laarne | 3,837.41 mi (6,175.71 km) |
| North Potomac to Laeken | 3,861.42 mi (6,214.35 km) |
| North Potomac to Lanaken | 3,913.18 mi (6,297.66 km) |
| North Potomac to Landen | 3,893.95 mi (6,266.71 km) |
| North Potomac to Lebbeke | 3,848.61 mi (6,193.74 km) |
| North Potomac to Lede | 3,844.07 mi (6,186.43 km) |
| North Potomac to Ledegem | 3,812.21 mi (6,135.16 km) |
