| Willimantic to Castelfidardo | 4,155.44 mi (6,687.54 km) |
| Willimantic to Castelfiorentino | 4,039.08 mi (6,500.27 km) |
| Willimantic to Castelfranco di Sopra | 4,063.98 mi (6,540.34 km) |
| Willimantic to Castelfranco di Sotto | 4,026.25 mi (6,479.62 km) |
| Willimantic to Castelfranco Emilia | 4,009.07 mi (6,451.97 km) |
| Willimantic to Castelfranco Veneto | 4,010.74 mi (6,454.67 km) |
| Willimantic to Castellabate | 4,333.28 mi (6,973.75 km) |
| Willimantic to Castellammare del Golfo | 4,325.05 mi (6,960.50 km) |
| Willimantic to Castellammare di Stabia | 4,296.85 mi (6,915.12 km) |
| Willimantic to Castellamonte | 3,839.50 mi (6,179.07 km) |
| Willimantic to Castellana Grotte | 4,407.39 mi (7,093.01 km) |
| Willimantic to Castellaneta | 4,406.81 mi (7,092.08 km) |
| Willimantic to Castellanza | 3,883.23 mi (6,249.46 km) |
| Willimantic to Castellarano | 3,998.48 mi (6,434.93 km) |
| Willimantic to Castelleone | 3,930.48 mi (6,325.50 km) |
