| Knoxville to Arcore | 4,642.54 mi (7,471.44 km) |
| Knoxville to Ardea | 4,922.25 mi (7,921.59 km) |
| Knoxville to Arenzano | 4,656.25 mi (7,493.51 km) |
| Knoxville to Arese | 4,634.70 mi (7,458.83 km) |
| Knoxville to Arezzo | 4,826.57 mi (7,767.61 km) |
| Knoxville to Argelato | 4,764.76 mi (7,668.14 km) |
| Knoxville to Argenta | 4,783.94 mi (7,699.01 km) |
| Knoxville to Ariano Irpino | 5,050.39 mi (8,127.81 km) |
| Knoxville to Ariccia | 4,923.71 mi (7,923.95 km) |
| Knoxville to Arluno | 4,630.69 mi (7,452.37 km) |
| Knoxville to Arona | 4,606.37 mi (7,413.24 km) |
| Knoxville to Artena | 4,934.04 mi (7,940.58 km) |
| Knoxville to Arzachena | 4,800.69 mi (7,725.96 km) |
| Knoxville to Arzano | 5,023.44 mi (8,084.44 km) |
| Knoxville to Arzignano | 4,731.48 mi (7,614.58 km) |
