| Caerphilly to Kortenberg | 338.61 mi (544.95 km) |
| Caerphilly to Kortrijk | 285.29 mi (459.13 km) |
| Caerphilly to Kraainem | 335.65 mi (540.18 km) |
| Caerphilly to Kruibeke | 325.36 mi (523.62 km) |
| Caerphilly to Kuurne | 285.83 mi (460.00 km) |
| Caerphilly to La Bruyere | 356.02 mi (572.96 km) |
| Caerphilly to La Calamine | 403.91 mi (650.03 km) |
| Caerphilly to La Louviere | 330.55 mi (531.96 km) |
| Caerphilly to Laarne | 307.68 mi (495.17 km) |
| Caerphilly to Laeken | 331.10 mi (532.85 km) |
| Caerphilly to Lanaken | 386.29 mi (621.68 km) |
| Caerphilly to Landen | 363.84 mi (585.55 km) |
| Caerphilly to Lebbeke | 319.30 mi (513.87 km) |
| Caerphilly to Lede | 314.00 mi (505.34 km) |
| Caerphilly to Ledegem | 279.03 mi (449.06 km) |
