| Caerphilly to Mikkeli | 1,334.26 mi (2,147.28 km) |
| Caerphilly to Mikkelin Maalaiskunta | 1,332.12 mi (2,143.84 km) |
| Caerphilly to Muhos | 1,380.32 mi (2,221.42 km) |
| Caerphilly to Muurame | 1,295.42 mi (2,084.78 km) |
| Caerphilly to Naantali | 1,141.44 mi (1,836.97 km) |
| Caerphilly to Narpes | 1,178.39 mi (1,896.43 km) |
| Caerphilly to Nastola | 1,276.90 mi (2,054.97 km) |
| Caerphilly to Nivala | 1,325.54 mi (2,133.25 km) |
| Caerphilly to Nokia | 1,213.08 mi (1,952.26 km) |
| Caerphilly to Nurmijarvi | 1,230.66 mi (1,980.56 km) |
| Caerphilly to Nurmo | 1,234.26 mi (1,986.34 km) |
| Caerphilly to Orimattila | 1,267.50 mi (2,039.84 km) |
| Caerphilly to Orivesi | 1,244.21 mi (2,002.37 km) |
| Caerphilly to Oulu | 1,373.62 mi (2,210.63 km) |
| Caerphilly to Oulunsalo | 1,369.53 mi (2,204.04 km) |
