| Somersworth to Castelfidardo | 4,041.20 mi (6,503.68 km) |
| Somersworth to Castelfiorentino | 3,925.76 mi (6,317.90 km) |
| Somersworth to Castelfranco di Sopra | 3,950.39 mi (6,357.54 km) |
| Somersworth to Castelfranco di Sotto | 3,912.92 mi (6,297.24 km) |
| Somersworth to Castelfranco Emilia | 3,894.75 mi (6,268.00 km) |
| Somersworth to Castelfranco Veneto | 3,895.12 mi (6,268.59 km) |
| Somersworth to Castellabate | 4,221.39 mi (6,793.68 km) |
| Somersworth to Castellammare del Golfo | 4,216.48 mi (6,785.77 km) |
| Somersworth to Castellammare di Stabia | 4,184.79 mi (6,734.77 km) |
| Somersworth to Castellamonte | 3,725.67 mi (5,995.89 km) |
| Somersworth to Castellana Grotte | 4,293.92 mi (6,910.40 km) |
| Somersworth to Castellaneta | 4,293.67 mi (6,909.99 km) |
| Somersworth to Castellanza | 3,768.74 mi (6,065.20 km) |
| Somersworth to Castellarano | 3,884.29 mi (6,251.17 km) |
| Somersworth to Castelleone | 3,815.98 mi (6,141.23 km) |
