| Sumner to Castelfidardo | 5,615.94 mi (9,037.99 km) |
| Sumner to Castelfiorentino | 5,544.35 mi (8,922.77 km) |
| Sumner to Castelfranco di Sopra | 5,557.73 mi (8,944.30 km) |
| Sumner to Castelfranco di Sotto | 5,532.92 mi (8,904.38 km) |
| Sumner to Castelfranco Emilia | 5,486.96 mi (8,830.41 km) |
| Sumner to Castelfranco Veneto | 5,444.38 mi (8,761.89 km) |
| Sumner to Castellabate | 5,844.15 mi (9,405.25 km) |
| Sumner to Castellammare del Golfo | 5,928.91 mi (9,541.66 km) |
| Sumner to Castellammare di Stabia | 5,807.16 mi (9,345.72 km) |
| Sumner to Castellamonte | 5,355.97 mi (8,619.61 km) |
| Sumner to Castellana Grotte | 5,859.66 mi (9,430.21 km) |
| Sumner to Castellaneta | 5,869.69 mi (9,446.36 km) |
| Sumner to Castellanza | 5,372.60 mi (8,646.37 km) |
| Sumner to Castellarano | 5,482.07 mi (8,822.53 km) |
| Sumner to Castelleone | 5,413.22 mi (8,711.74 km) |
