| Didcot to Merrick (New York) | 3,397.69 mi (5,468.06 km) |
| Didcot to Merrifield (Virginia) | 3,626.97 mi (5,837.05 km) |
| Didcot to Merrillville (Indiana) | 3,908.79 mi (6,290.59 km) |
| Didcot to Merritt Island (Florida) | 4,272.28 mi (6,875.57 km) |
| Didcot to Mesa (Arizona) | 5,217.77 mi (8,397.19 km) |
| Didcot to Mesquite (Nevada) | 5,111.07 mi (8,225.47 km) |
| Didcot to Mesquite (Texas) | 4,694.72 mi (7,555.43 km) |
| Didcot to Metairie (Louisiana) | 4,581.39 mi (7,373.04 km) |
| Didcot to Methuen Town (Massachusetts) | 3,213.31 mi (5,171.33 km) |
| Didcot to Metuchen (New Jersey) | 3,435.54 mi (5,528.97 km) |
| Didcot to Mexico (Missouri) | 4,192.68 mi (6,747.47 km) |
| Didcot to Miami (Florida) | 4,379.80 mi (7,048.60 km) |
| Didcot to Miami (Oklahoma) | 4,419.20 mi (7,112.02 km) |
| Didcot to Miami Beach (Florida) | 4,375.13 mi (7,041.10 km) |
| Didcot to Miami Gardens (Florida) | 4,373.13 mi (7,037.87 km) |
