| Potters Bar to Castelfidardo | 853.68 mi (1,373.87 km) |
| Potters Bar to Castelfiorentino | 761.49 mi (1,225.49 km) |
| Potters Bar to Castelfranco di Sopra | 779.05 mi (1,253.77 km) |
| Potters Bar to Castelfranco di Sotto | 749.32 mi (1,205.91 km) |
| Potters Bar to Castelfranco Emilia | 711.99 mi (1,145.84 km) |
| Potters Bar to Castelfranco Veneto | 690.75 mi (1,111.65 km) |
| Potters Bar to Castellabate | 1,068.41 mi (1,719.43 km) |
| Potters Bar to Castellammare del Golfo | 1,137.10 mi (1,829.98 km) |
| Potters Bar to Castellammare di Stabia | 1,030.50 mi (1,658.43 km) |
| Potters Bar to Castellamonte | 565.80 mi (910.57 km) |
| Potters Bar to Castellana Grotte | 1,110.40 mi (1,787.02 km) |
| Potters Bar to Castellaneta | 1,115.27 mi (1,794.85 km) |
| Potters Bar to Castellanza | 589.42 mi (948.57 km) |
| Potters Bar to Castellarano | 704.63 mi (1,134.00 km) |
| Potters Bar to Castelleone | 633.74 mi (1,019.90 km) |
