| Irthlingborough to Kortenberg | 242.21 mi (389.80 km) |
| Irthlingborough to Kortrijk | 195.85 mi (315.19 km) |
| Irthlingborough to Kraainem | 239.90 mi (386.09 km) |
| Irthlingborough to Kruibeke | 224.86 mi (361.87 km) |
| Irthlingborough to Kuurne | 195.86 mi (315.21 km) |
| Irthlingborough to La Bruyere | 265.08 mi (426.60 km) |
| Irthlingborough to La Calamine | 305.60 mi (491.81 km) |
| Irthlingborough to La Louviere | 243.32 mi (391.58 km) |
| Irthlingborough to Laarne | 211.49 mi (340.36 km) |
| Irthlingborough to Laeken | 235.46 mi (378.94 km) |
| Irthlingborough to Lanaken | 286.28 mi (460.72 km) |
| Irthlingborough to Landen | 267.60 mi (430.66 km) |
| Irthlingborough to Lebbeke | 222.38 mi (357.88 km) |
| Irthlingborough to Lede | 218.23 mi (351.20 km) |
| Irthlingborough to Ledegem | 190.00 mi (305.78 km) |
